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| 1 /* | 1 /* |
| 2 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. |
| 3 * | 3 * |
| 4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
| 5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
| 6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
| 7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
| 8 * | 8 * |
| 9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| (...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 59 GraphicsContext*& context, unsigned short resourceMode) | 59 GraphicsContext*& context, unsigned short resourceMode) |
| 60 { | 60 { |
| 61 ASSERT(object); | 61 ASSERT(object); |
| 62 ASSERT(context); | 62 ASSERT(context); |
| 63 ASSERT(style()); | 63 ASSERT(style()); |
| 64 ASSERT_UNUSED(resourceMode, resourceMode == ApplyToDefaultMode); | 64 ASSERT_UNUSED(resourceMode, resourceMode == ApplyToDefaultMode); |
| 65 ASSERT_WITH_SECURITY_IMPLICATION(!needsLayout()); | 65 ASSERT_WITH_SECURITY_IMPLICATION(!needsLayout()); |
| 66 | 66 |
| 67 clearInvalidationMask(); | 67 clearInvalidationMask(); |
| 68 | 68 |
| 69 FloatRect repaintRect = object->repaintRectInLocalCoordinates(); | 69 FloatRect repaintRect = object->paintInvalidationRectInLocalCoordinates(); |
| 70 if (repaintRect.isEmpty() || !element()->hasChildren()) | 70 if (repaintRect.isEmpty() || !element()->hasChildren()) |
| 71 return false; | 71 return false; |
| 72 | 72 |
| 73 // Content layer start. | 73 // Content layer start. |
| 74 context->beginTransparencyLayer(1, &repaintRect); | 74 context->beginTransparencyLayer(1, &repaintRect); |
| 75 | 75 |
| 76 return true; | 76 return true; |
| 77 } | 77 } |
| 78 | 78 |
| 79 void RenderSVGResourceMasker::postApplyResource(RenderObject* object, GraphicsCo
ntext*& context, | 79 void RenderSVGResourceMasker::postApplyResource(RenderObject* object, GraphicsCo
ntext*& context, |
| 80 unsigned short resourceMode, const Path*, const RenderSVGShape*) | 80 unsigned short resourceMode, const Path*, const RenderSVGShape*) |
| 81 { | 81 { |
| 82 ASSERT(object); | 82 ASSERT(object); |
| 83 ASSERT(context); | 83 ASSERT(context); |
| 84 ASSERT(style()); | 84 ASSERT(style()); |
| 85 ASSERT_UNUSED(resourceMode, resourceMode == ApplyToDefaultMode); | 85 ASSERT_UNUSED(resourceMode, resourceMode == ApplyToDefaultMode); |
| 86 ASSERT_WITH_SECURITY_IMPLICATION(!needsLayout()); | 86 ASSERT_WITH_SECURITY_IMPLICATION(!needsLayout()); |
| 87 | 87 |
| 88 FloatRect repaintRect = object->repaintRectInLocalCoordinates(); | 88 FloatRect repaintRect = object->paintInvalidationRectInLocalCoordinates(); |
| 89 | 89 |
| 90 const SVGRenderStyle* svgStyle = style()->svgStyle(); | 90 const SVGRenderStyle* svgStyle = style()->svgStyle(); |
| 91 ASSERT(svgStyle); | 91 ASSERT(svgStyle); |
| 92 ColorFilter maskLayerFilter = svgStyle->maskType() == MT_LUMINANCE | 92 ColorFilter maskLayerFilter = svgStyle->maskType() == MT_LUMINANCE |
| 93 ? ColorFilterLuminanceToAlpha : ColorFilterNone; | 93 ? ColorFilterLuminanceToAlpha : ColorFilterNone; |
| 94 ColorFilter maskContentFilter = svgStyle->colorInterpolation() == CI_LINEARR
GB | 94 ColorFilter maskContentFilter = svgStyle->colorInterpolation() == CI_LINEARR
GB |
| 95 ? ColorFilterSRGBToLinearRGB : ColorFilterNone; | 95 ? ColorFilterSRGBToLinearRGB : ColorFilterNone; |
| 96 | 96 |
| 97 // Mask layer start. | 97 // Mask layer start. |
| 98 context->beginLayer(1, CompositeDestinationIn, &repaintRect, maskLayerFilter
); | 98 context->beginLayer(1, CompositeDestinationIn, &repaintRect, maskLayerFilter
); |
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| 126 m_maskContentDisplayList = asDisplayList(context, contentTransformation)
; | 126 m_maskContentDisplayList = asDisplayList(context, contentTransformation)
; |
| 127 ASSERT(m_maskContentDisplayList); | 127 ASSERT(m_maskContentDisplayList); |
| 128 context->drawDisplayList(m_maskContentDisplayList.get()); | 128 context->drawDisplayList(m_maskContentDisplayList.get()); |
| 129 } | 129 } |
| 130 | 130 |
| 131 PassRefPtr<DisplayList> RenderSVGResourceMasker::asDisplayList(GraphicsContext*
context, | 131 PassRefPtr<DisplayList> RenderSVGResourceMasker::asDisplayList(GraphicsContext*
context, |
| 132 const AffineTransform& contentTransform) | 132 const AffineTransform& contentTransform) |
| 133 { | 133 { |
| 134 ASSERT(context); | 134 ASSERT(context); |
| 135 | 135 |
| 136 // Using strokeBoundingBox (instead of repaintRectInLocalCoordinates) to avo
id the intersection | 136 // Using strokeBoundingBox (instead of paintInvalidationRectInLocalCoordinat
es) to avoid the intersection |
| 137 // with local clips/mask, which may yield incorrect results when mixing obje
ctBoundingBox and | 137 // with local clips/mask, which may yield incorrect results when mixing obje
ctBoundingBox and |
| 138 // userSpaceOnUse units (http://crbug.com/294900). | 138 // userSpaceOnUse units (http://crbug.com/294900). |
| 139 context->beginRecording(strokeBoundingBox()); | 139 context->beginRecording(strokeBoundingBox()); |
| 140 for (Element* childElement = ElementTraversal::firstWithin(*element()); chil
dElement; childElement = ElementTraversal::nextSibling(*childElement)) { | 140 for (Element* childElement = ElementTraversal::firstWithin(*element()); chil
dElement; childElement = ElementTraversal::nextSibling(*childElement)) { |
| 141 RenderObject* renderer = childElement->renderer(); | 141 RenderObject* renderer = childElement->renderer(); |
| 142 if (!childElement->isSVGElement() || !renderer) | 142 if (!childElement->isSVGElement() || !renderer) |
| 143 continue; | 143 continue; |
| 144 RenderStyle* style = renderer->style(); | 144 RenderStyle* style = renderer->style(); |
| 145 if (!style || style->display() == NONE || style->visibility() != VISIBLE
) | 145 if (!style || style->display() == NONE || style->visibility() != VISIBLE
) |
| 146 continue; | 146 continue; |
| 147 | 147 |
| 148 SVGRenderingContext::renderSubtree(context, renderer, contentTransform); | 148 SVGRenderingContext::renderSubtree(context, renderer, contentTransform); |
| 149 } | 149 } |
| 150 | 150 |
| 151 return context->endRecording(); | 151 return context->endRecording(); |
| 152 } | 152 } |
| 153 | 153 |
| 154 void RenderSVGResourceMasker::calculateMaskContentRepaintRect() | 154 void RenderSVGResourceMasker::calculateMaskContentRepaintRect() |
| 155 { | 155 { |
| 156 for (SVGElement* childElement = Traversal<SVGElement>::firstChild(*element()
); childElement; childElement = Traversal<SVGElement>::nextSibling(*childElement
)) { | 156 for (SVGElement* childElement = Traversal<SVGElement>::firstChild(*element()
); childElement; childElement = Traversal<SVGElement>::nextSibling(*childElement
)) { |
| 157 RenderObject* renderer = childElement->renderer(); | 157 RenderObject* renderer = childElement->renderer(); |
| 158 if (!renderer) | 158 if (!renderer) |
| 159 continue; | 159 continue; |
| 160 RenderStyle* style = renderer->style(); | 160 RenderStyle* style = renderer->style(); |
| 161 if (!style || style->display() == NONE || style->visibility() != VISIBLE
) | 161 if (!style || style->display() == NONE || style->visibility() != VISIBLE
) |
| 162 continue; | 162 continue; |
| 163 m_maskContentBoundaries.unite(renderer->localToParentTransform().mapRect
(renderer->repaintRectInLocalCoordinates())); | 163 m_maskContentBoundaries.unite(renderer->localToParentTransform().mapRect
(renderer->paintInvalidationRectInLocalCoordinates())); |
| 164 } | 164 } |
| 165 } | 165 } |
| 166 | 166 |
| 167 FloatRect RenderSVGResourceMasker::resourceBoundingBox(const RenderObject* objec
t) | 167 FloatRect RenderSVGResourceMasker::resourceBoundingBox(const RenderObject* objec
t) |
| 168 { | 168 { |
| 169 SVGMaskElement* maskElement = toSVGMaskElement(element()); | 169 SVGMaskElement* maskElement = toSVGMaskElement(element()); |
| 170 ASSERT(maskElement); | 170 ASSERT(maskElement); |
| 171 | 171 |
| 172 FloatRect objectBoundingBox = object->objectBoundingBox(); | 172 FloatRect objectBoundingBox = object->objectBoundingBox(); |
| 173 FloatRect maskBoundaries = SVGLengthContext::resolveRectangle<SVGMaskElement
>(maskElement, maskElement->maskUnits()->currentValue()->enumValue(), objectBoun
dingBox); | 173 FloatRect maskBoundaries = SVGLengthContext::resolveRectangle<SVGMaskElement
>(maskElement, maskElement->maskUnits()->currentValue()->enumValue(), objectBoun
dingBox); |
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| 185 transform.translate(objectBoundingBox.x(), objectBoundingBox.y()); | 185 transform.translate(objectBoundingBox.x(), objectBoundingBox.y()); |
| 186 transform.scaleNonUniform(objectBoundingBox.width(), objectBoundingBox.h
eight()); | 186 transform.scaleNonUniform(objectBoundingBox.width(), objectBoundingBox.h
eight()); |
| 187 maskRect = transform.mapRect(maskRect); | 187 maskRect = transform.mapRect(maskRect); |
| 188 } | 188 } |
| 189 | 189 |
| 190 maskRect.intersect(maskBoundaries); | 190 maskRect.intersect(maskBoundaries); |
| 191 return maskRect; | 191 return maskRect; |
| 192 } | 192 } |
| 193 | 193 |
| 194 } | 194 } |
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